In virtual list mode, map first row to 1, not to 0 as this is reserved for an invalid...

[wxWidgets.git] / samples / scroll / scroll.cpp

diff --git a/samples/scroll/scroll.cpp b/samples/scroll/scroll.cpp
index 2186f19bbcbd0b96bf6c1e6cb054e44509b57c6c..874783a1bbb4f179e4fbf1b5822686bcbe1703c8 100644 (file)
--- a/samples/scroll/scroll.cpp
+++ b/samples/scroll/scroll.cpp
@@ -22,6 +22,10 @@
 #include "wx/log.h"
 #include "wx/tglbtn.h"
 
+#ifndef __WXMSW__
+    #include "../sample.xpm"
+#endif
+
 // ----------------------------------------------------------------------------
 // a trivial example
 // ----------------------------------------------------------------------------
@@ -452,7 +456,7 @@ public:
                            wxDefaultPosition, wxDefaultSize,
                            wxBORDER_SUNKEN)
     {
-        m_nLines = 100;
+        m_nLines = 50;
         m_winSync = NULL;
         m_inDoSync = false;
 
@@ -621,6 +625,7 @@ private:
     void OnTestAuto(wxCommandEvent& WXUNUSED(event)) { new MyAutoFrame(this); }
 
     void OnToggleSync(wxCommandEvent& event);
+    void OnScrollbarVisibility(wxCommandEvent& event);
 
     MyScrolledWindowBase *m_win1,
                          *m_win2;
@@ -834,6 +839,7 @@ const wxWindowID Scroll_Test_Sub    = wxWindow::NewControlId();
 const wxWindowID Scroll_Test_Auto   = wxWindow::NewControlId();
 
 const wxWindowID Scroll_TglBtn_Sync = wxWindow::NewControlId();
+const wxWindowID Scroll_Radio_ShowScrollbar = wxWindow::NewControlId();
 
 BEGIN_EVENT_TABLE(MyFrame,wxFrame)
     EVT_MENU(wxID_ABOUT, MyFrame::OnAbout)
@@ -846,11 +852,14 @@ BEGIN_EVENT_TABLE(MyFrame,wxFrame)
     EVT_MENU(Scroll_Test_Auto, MyFrame::OnTestAuto)
 
     EVT_TOGGLEBUTTON(Scroll_TglBtn_Sync, MyFrame::OnToggleSync)
+    EVT_RADIOBOX(Scroll_Radio_ShowScrollbar, MyFrame::OnScrollbarVisibility)
 END_EVENT_TABLE()
 
 MyFrame::MyFrame()
        : wxFrame(NULL, wxID_ANY, "wxWidgets scroll sample")
 {
+    SetIcon(wxICON(sample));
+
     wxMenu *menuFile = new wxMenu;
     menuFile->Append(wxID_ABOUT, "&About..");
     menuFile->AppendSeparator();
@@ -876,10 +885,12 @@ MyFrame::MyFrame()
     SetMenuBar( mbar );
 
 
+    wxPanel *panel = new wxPanel(this);
+
     const wxSizerFlags flagsExpand(wxSizerFlags(1).Expand());
 
     wxSizer *topsizer = new wxBoxSizer(wxVERTICAL);
-    topsizer->Add(new wxStaticText(this, wxID_ANY,
+    topsizer->Add(new wxStaticText(panel, wxID_ANY,
         "The windows below should behave in the same way, even though\n"
         "they're implemented quite differently, see the code for details.\n"
         "\n"
@@ -888,20 +899,39 @@ MyFrame::MyFrame()
         "don't be surprised by this."),
         wxSizerFlags().Centre().Border());
 
-    m_win1 = new MyScrolledWindowDumb(this);
-    m_win2 = new MyScrolledWindowSmart(this);
+    m_win1 = new MyScrolledWindowDumb(panel);
+    m_win2 = new MyScrolledWindowSmart(panel);
 
     wxSizer *sizerScrollWin = new wxBoxSizer(wxHORIZONTAL);
     sizerScrollWin->Add(m_win1, flagsExpand);
     sizerScrollWin->Add(m_win2, flagsExpand);
     topsizer->Add(sizerScrollWin, flagsExpand);
 
+    const wxSizerFlags
+        flagsHBorder(wxSizerFlags().Centre().Border(wxLEFT | wxRIGHT));
+
     wxSizer *sizerBtns = new wxBoxSizer(wxHORIZONTAL);
-    sizerBtns->Add(new wxToggleButton(this, Scroll_TglBtn_Sync, "&Synchronize"));
+
+    // the radio buttons are in the same order as wxSHOW_SB_XXX values but
+    // offset by 1
+    const wxString visibilities[] = { "&never", "&default", "&always" };
+    wxRadioBox *radio = new wxRadioBox(panel, Scroll_Radio_ShowScrollbar,
+                                       "Left &scrollbar visibility: ",
+                                       wxDefaultPosition, wxDefaultSize,
+                                       WXSIZEOF(visibilities), visibilities);
+    radio->SetSelection(wxSHOW_SB_DEFAULT + 1);
+    sizerBtns->Add(radio, flagsHBorder);
+
+    sizerBtns->Add(new wxToggleButton(panel, Scroll_TglBtn_Sync, "S&ynchronize"),
+                   flagsHBorder);
+
     topsizer->Add(sizerBtns, wxSizerFlags().Centre().Border());
 
-    SetSizer(topsizer);
+    panel->SetSizer(topsizer);
 
+    wxSize size = panel->GetBestSize();
+    SetSizeHints(size);
+    SetClientSize(2*size);
 
     Show();
 }
@@ -920,6 +950,12 @@ void MyFrame::OnToggleSync(wxCommandEvent& event)
     }
 }
 
+void MyFrame::OnScrollbarVisibility(wxCommandEvent& event)
+{
+    m_win1->ShowScrollbars(wxSHOW_SB_NEVER,
+                           wxScrollbarVisibility(event.GetSelection() - 1));
+}
+
 void MyFrame::OnQuit(wxCommandEvent &WXUNUSED(event))
 {
     Close(true);
@@ -1204,7 +1240,7 @@ void MyAutoScrollingWindow::OnDraw(wxDC& dc)
     dc.SetPen(*wxTRANSPARENT_PEN);
     const wxString str = sm_testData;
     size_t strLength = str.length();
-    wxString::const_iterator str_i;
+    wxString::const_iterator str_i = str.begin();
 
     // draw the characters
     // 1. for each update region
@@ -1278,7 +1314,7 @@ void MyAutoScrollingWindow::OnMouseMove(wxMouseEvent& event)
         // set the new cursor position
         m_cursor = DeviceCoordsToGraphicalChars(event.GetPosition());
         // draw/erase selection
-        MyRefresh();
+        // MyRefresh();
         // capture mouse to activate auto-scrolling
         if (!HasCapture()) {
             CaptureMouse();